body {
    background-color: #dbeaf6;
} 

.nav {
    height: 40px;
    background: #dbeaf6;
    box-shadow: 2px 2px 2px 2px #4590e7;
    position:relative;
    z-index:1;
}

.nav ul {  
    border: 2px solid #4590e7; 
}  

* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}

.libt {
    float: left;
    width: 12.5%;
    height: 40px;
    text-align: center;
    line-height: 40px;
}

.libt a {
    color: #000;
    display: block;
}

.libt a:hover {
    background: #4590e7;
}

.droplist {
    background: #dbeaf6;
    border: 2px solid #4590e7; 
    display: none;
}

.libt:hover .droplist {
    display: block;
}

.droplist li {
    border-top: 2px solid #4590e7;
    height: 40px;
}

.droplist li:hover{
    display: block;
}
